/Engine/Plugins/Developer/Concert/ConcertMain/Source/ConcertServer/Public/IConcertServer.h
This is equivalent to archiving and restoring a session, but faster as it skips one copy of the session (possibly serveral GB).
the created server session
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IConcertServerSession](API\Plugins\Concert\IConcertServerSession) > CopySession ( const [FGuid](API\Runtime\Core\Misc\FGuid) & SrcSessionId, const [FConcertSessionInfo](API\Plugins\Concert\FConcertSessionInfo) & NewSessionInfo, const [FConcertSessionFilter](API\Plugins\Concert\FConcertSessionFilter) & SessionFilter, [FText](API\Runtime\Core\Internationalization\FText) & OutFailureReason )